US Bridges

31-Z002 over Bread Springs Wash

PoorPosted for load

McKinley County, New Mexico · 0.6 MI W NM-602/RED Rock · Structure no. 000000000008084

Built
1976
49 years old
Condition
Poor
inspected March 2024
Type
Truss - Thru
Aluminum, Wrought Iron, or Cast Iron
Length
105 ft
1 main span
Daily traffic
337
2023 count
Owner
County
County Highway Agency

About this bridge

31-Z002 over Bread Springs Wash is a aluminum, wrought iron, or cast iron truss - thru carrying 31-Z002 over Bread Springs Wash in McKinley County, New Mexico. It was built in 1976, so it is 49 years old, younger than the New Mexico average of 51.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 337 vehicles a day, projected to reach 458 by 2043. The structure is 105 ft (32 m) long and 18 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries31-Z002
CrossesBread Springs Wash
Location0.6 MI W NM-602/RED Rock
RouteCounty Highway 31002
Coordinates35.45602, -108.75479
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating17.9 US tons
Inventory rating12.5 US tons

Structure

Structure typeTruss - Thru
MaterialAluminum, Wrought Iron, or Cast Iron
DeckOpen grating
Main spans1
Design loadUnknown
Structure length105 ft (32 m)
Longest span102 ft (31.1 m)
Deck width18 ft (5.5 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic337 (2023)
Projected traffic458 by 2043
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$264,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was 31-Z002 over Bread Springs Wash built?

It was built in 1976, making it 49 years old in 2025.

What condition is 31-Z002 over Bread Springs Wash in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does 31-Z002 over Bread Springs Wash carry?

About 337 vehicles per day (2023 count).

How long is 31-Z002 over Bread Springs Wash?

The structure is 105 ft (32 m) long with a longest span of 102 ft (31.1 m) and a deck 18 ft wide.

Who owns 31-Z002 over Bread Springs Wash?

It is owned by the County Highway Agency.